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CIDR Range

23.91.97.0/25

Addresses
128
128
Sub-ranges
0+
within this block
PTR Density
14.8%
19 of 128 IPs have PTR ~

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

73/100
Moderate
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Geolocation

First and last addresses in 23.91.97.0/25

23.91.97.0/25 runs from 23.91.97.0 to 23.91.97.127.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 23.91.97.0/24.

Announced prefix
Origin AS
Announcement samples
22,919
Last seen
2026-11-09 00:31:21

RIR Ownership History

Atom feed ⇲

Allocation changes captured from regional internet registry (RIR) delegation files, re-imported every six hours.

Date Event From To
2026-05-10 New Allocation — US

Frequently Asked Questions

What is 23.91.97.0/25?

23.91.97.0/25 is a CIDR network block containing 128 IPv4 addresses (from 23.91.97.0 to 23.91.97.127). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 23.91.97.0/25 network?

The 23.91.97.0/25 range is allocated to UCLOUD INFORMATION TECHNOLOGY HK LIMITED and announced via AS135377 from Hong Kong.

How many IP addresses are in 23.91.97.0/25?

23.91.97.0/25 contains exactly 128 usable IPv4 addresses. A /25 prefix length means 128 addresses are covered by this single routing entry.

Last updated: 2026-11-09 00:54:05 UTC
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